Question
Question: By adding gypsum to cement....
By adding gypsum to cement.
A
Setting time of cement becomes less
B
Setting time of cement increases
C
colour of cement becomes light
D
Shining surface is obtained.
Answer
Setting time of cement increases
Explanation
Solution
: The purpose of adding gypsum is only to slow down the process of setting of the cement so that it gets sufficiently hardened.